Accessories:

9mm Hex Adapter - 2pcs

Stainless Steel Cap Head Screw 2.5*12 - 4pcs

Stainless Steel Screw Shaft M4x2.5x11.8 - 2pcs

5mm Shims - 2pcs

5mm Metal Washer - 2pcs

10mm Hex Socket Screw - 2pcs


Product major function & usage:

To increase the weight of each wheel to stabilize the wheel, enlarge the angle of crawling, especially when the car is digging into some low lying area landspaces, grab the ground firmly and smoothly drive back to level.


Major advantages of upgrading to this product:

1. Stainless steel rolling beads design to carry additional weight 42 grams for one of each of the wheels keeping the gravity carrying with weight downward towards the ground for better grabby performance.

2. The high quality of the stainless steel is very suitable for muddy watery track with no fears of getting rusty. 

3. Compare with no outer case design, each side of tire +wheel can have weight increase of 50 grams.

4. To adjust the weight of the pendulum wheel, there are 5 removable stainless steel beads, weighing 4g each. 


The features of general appearance of this product:

1. Stainless steel rolling beads design to carry additional weight 42 grams for one of each of the wheels keeping the gravity carrying with weight downward towards the ground for better grabby performance.

2. The high quality of the stainless steel is very suitable for muddy watery track with no fears of getting rusty. 


Other special notes and comments:

Install onto front & rear outer case of the knuckles, this part does not appear in the original and it is sophisticated design for TRX 4 by GPM. The pendulum design offers a consistent downward force. 

Weight per piece : 42g

9mm widen hex adpater (4mm wider than original).



We use a quality light weight high tensile strength aluminum 6061 T6 and is then anodized with scratch resistant colors


We also have a big selection of multiple colors available now!! Let’s “hop up” your vehicles to give them the best looks and performance on the market … colors are available in blue, red, grey silver/gun metal, orange, green, black, brown


We have taken the time to individually, to carefully QC every part … this is another advantage of GPM having our own concept design fabrication and manufacturing facilities … almost all other companies outsource all of their production do very little QC never taking the time to unpackage, QC, then repackage their parts before shipping. GPM offers the best Quality Control and after product sold services, to include constantly making our pro team racers and staff available for any question or advice 


We offer speedy next day OVERNIGHT delivery service …. If not needed that fast, we also offer FREE delivery utilizing Hong Kong post service


We offer free delivery by SF Express within Hong Kong 


All parts included for a fast easy no hassle mount. Please feel free to contact us anytime with any questions, comments, suggestions, ideas or about our race and sponsorship programs at cs@gpmracing.com.hk


All parts are included for a fast easy installation with a 420 day no hassle guarantee, "RIDE THE BEST BE THE BEST GO GPM RACING" Enjoy GPM shopping.


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